<!DOCTYPE html>
<title>calc-size() on height</title>
<link rel="help" href="https://drafts.csswg.org/css-values-5/#calc-size">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  #container {
    font-size: 20px;
  }
  #child {
    width: 123px;
    height: 10px;
  }
</style>

<div id="container">
  <div id="target">
    <div id="child"></div>
  </div>
</div>

<script>

let basic_tests = [
  { value: "calc-size(any, 357px)", expected: "357px" },
  { value: "calc-size(any, 31%)", expected_auto: "0px", expected_definite: "31px" },
  { value: "calc-size(31%, size)", expected_auto: "10px", expected_definite: "31px" },
  { value: "calc-size(max-content, 31%)", expected_auto: "0px", expected_definite: "31px" },
  { value: "calc-size(fit-content, 72px)", expected: "72px" },
  { value: "calc-size(37px, 93px)", expected: "93px" },
  { value: "calc-size(83px, size * 3)", expected: "249px" },
  { value: "calc-size(min-content, size / 2)", expected: "5px" },
  { value: "calc-size(max-content, size * 1.2)", expected: "12px" },
  { value: "calc-size(fit-content, size / 2 + 30px)", expected: "35px" },
  { value: "calc-size(30px, 15em)", expected: "300px" },
  { value: "calc-size(calc-size(any, 30px), 15em)", expected: "300px" },
  { value: "calc-size(calc-size(2in, 30px), 15em)", expected: "300px" },
  { value: "calc-size(calc-size(min-content, 30px), 15em)", expected: "300px" },
  { value: "calc-size(calc-size(min-content, size), size)", expected: "10px" },
  { value: "calc-size(any, 31% + 12px)", expected_auto: "12px", expected_definite: "43px" },
  { value: "calc-size(auto, size * 1.5)", expected: "15px" },
];
const container = document.getElementById("container");
const target = document.getElementById("target");
const target_cs = getComputedStyle(target);
const child = document.getElementById("child");
const child_cs = getComputedStyle(child);
for (const obj of basic_tests) {
  test((t) => {
    target.style.removeProperty("height");
    target.style.height = obj.value;
    container.style.height = "auto";
    let expected = "expected" in obj ? obj.expected : obj.expected_auto;
    assert_equals(target_cs.height, expected);
  }, `resolved height for height in auto height container: ${obj.value}`);
  test((t) => {
    target.style.removeProperty("height");
    target.style.height = obj.value;
    container.style.height = "100px";
    let expected = "expected" in obj ? obj.expected : obj.expected_definite;
    assert_equals(target_cs.height, expected);
  }, `resolved height for height in definite height container: ${obj.value}`);
}

test((t) => {
  t.add_cleanup(() => {
    child.style.height = "";
    child.innerHTML = "";
  });
  container.style.height = "auto";
  target.style.height = "calc-size(min-content, size + 23px)";
  child.style.height = "100%";
  child.innerHTML = "<div style='height: 7px'></div>";
  assert_equals(child_cs.height, "7px");
}, "calc-size() is indefinite when the intrinsic size is indefinite");

</script>
